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AMJ Converter
AMJ 3D conversion for collaboration. reaConverter exports models to compatible formats, fast and offline.


How to Convert .amj Files in Bulk
1. Install reaConverter
2. Select AMJ Files

3. Start Conversion

Step by step
See It in Action
For quick and effortless AMJ file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.
3D Toolkit
Do more with your 3D models
Need AMJ models in other software, or as pictures? reaConverter converts them to STL, STEP or glTF and renders them to images, a whole folder at a time.
- Move models into STL for printing, STEP for CAD, or GLB and glTF for web viewers
- Keep unreleased designs and client models on your PC: nothing is uploaded
- Save a turning model as an animated GIF for a product page or catalogue
- Script 3D conversions from the command line

User reviews
From those who tried it
Average User Rating:Last updated on July 29, 2026






Questions & Answers
AMJ files: Frequently Asked Questions
What are AMJ files?
AMJ file format is a proprietary file format used by Amapi, a 3D modeling and animation software. It is primarily used to store various 3D objects, structures, and scenes created within the software. However, this file format is not widely used and supported by other 3D modeling software applications.
Can reaConverter open AMJ files?
reaConverter fully supports the AMJ file format – open, edit, and export AMJ files to any other popular file format with ease.
Do I need 3D or CAD software to convert AMJ files?
No. reaConverter reads AMJ files on its own, so the conversion needs no Blender, 3ds Max or Maya installation. It runs offline on your PC and handles whole folders at once, which suits model libraries, supplier deliveries and product ranges that have to reach people working in other software.
How do I change AMJ to another format?
reaConverter is a user-friendly tool for converting AMJ files. Once installed on your computer, it allows you to convert all your .amj files at once with just a few clicks. You can even convert AMJ models directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert AMJ online?
If you only want to convert a few AMJ files, you are welcome to try our free online AMJ converter.
How can I turn AMJ files on my computer to another format?
The best way to convert AMJ files on your PC is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from AMJ.
How can I automate AMJ files conversion?
reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.
Can I convert AMJ files using scripts or the command-line interface?
reaConverter provides full access to all its features from the Windows command-line shell, including the command-line amj converter.
What else can I do with reaConverter?
Convert Gerber imagesConvert RGB to CMYKTrace images to vectorChange image bit depthConvert RAW files
What formats can I convert a AMJ file to?
Discover More
Beyond AMJ conversion
Convert .amj files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.

